Eye-safe 1.55 μm passively Q-switched Er,Yb:GdAl3(BO3)4 diode-pumped laser

Opt Lett. 2016 Mar 1;41(5):918-21. doi: 10.1364/OL.41.000918.

Abstract

We report for the first time, to the best of our knowledge, on a diode-pumped passively Q-switched Er,Yb:GdAl3(BO3)4 laser. By using a Co2+:MgAl2O4 crystal as a saturable absorber, Q-switched laser pulses with a duration of 12 ns and a maximum energy of 18.7 μJ at a repetition rate of 32 kHz corresponding to an average output power of 0.6 W were obtained at 1550 nm under continuous-wave pumping. In the burst mode of operation, Q-switched laser pulses with the highest energy up to 44 μJ were realized with a pulse repetition rate of 6.5 kHz.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Borates*
  • Equipment Design
  • Eye*
  • Gadolinium*
  • Lasers, Semiconductor*
  • Lasers, Solid-State*
  • Safety*

Substances

  • Borates
  • gadolinium trialuminum borate
  • Gadolinium